1 files changed, 6 insertions, 0 deletions
diff --git a/src/filesys/filesys.h b/src/filesys/filesys.h
index caef83c..77d99b7 100644
--- a/src/filesys/filesys.h
+++ b/src/filesys/filesys.h
@@ -17,4 +17,10 @@ bool filesys_create (const char *name, off_t initial_size);
 struct file *filesys_open (const char *name);
 bool filesys_remove (const char *name);
 
+struct fd
+  {
+    bool active;
+    struct file *file;
+  };
+
 #endif /* filesys/filesys.h */